/*===reset-star===*/

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
p,
blockquote,
th,
tr,
td,
section,
a,
input,
span {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

html,
body,
form,
fieldset,
p,
div,
h1,
h2,
h3,
h4,
h5,
h6 {
    -webkit-text-size-adjust: none;
}

html,
body {
    -webkit-user-select: none;
    user-select: none;
    -webkit-overflow-scrolling: touch;
    overflow-scrolling: touch;
}

body {
    font-family: "Helvetica Neue", Helvetica, STHeiTi, sans-serif, "microsoft yahei";
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

fieldset,
img {
    border: 0
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
    font-style: normal;
    font-weight: normal
}

ol,
ul {
    list-style: none
}

caption,
th,
td {
    text-align: center
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
    font-weight: normal
}

q:before,
q:after {
    content: ''
}

input[type=button],
button {
    -webkit-appearance: none;
    -webkit-user-select: none;
}

a,
img,
input,
select,
li {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

a,
img {
    text-decoration: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-touch-callout: none;
}

a,
input,
img,
select {
    outline: none;
}

input::-webkit-clear-button,
input::-webkit-inner-spin-button,
input::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

input::-webkit-search-cancel-button {
    display: none;
}

input:focus::-webkit-input-placeholder {
    opacity: 0;
}

::-webkit-scrollbar {
    display: none;
}

img {
    -webkit-touch-callou: none;
}

* {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}


/*===reset-end===*/

html {
    font-size: 20px;
}

body {
    font-size: 0.7rem;
    margin: 0 auto;
    width: 100%;
    min-width: 320px;
    background: #ffffff;
}

.show {
    display: block !important;
}

.hide,
.none {
    display: none !important;
}


/*media*/

@media screen and (max-width:320px) {
    html {
        font-size: 20px !important;
    }
}

@media screen and (min-width:320px) {
    html {
        font-size: 20px;
    }
}

@media screen and (min-width:340px) {
    html {
        font-size: 21.25px;
    }
}

@media screen and (min-width:360px) {
    html {
        font-size: 22.5px;
    }
}

@media screen and (min-width:380px) {
    html {
        font-size: 23.75px;
    }
}

@media screen and (min-width:400px) {
    html {
        font-size: 25px;
    }
}

@media screen and (min-width:440px) {
    html {
        font-size: 27.5px;
    }
}

@media screen and (min-width:480px) {
    html {
        font-size: 30px;
    }
}

@media screen and (min-width:520px) {
    html {
        font-size: 32.5px;
    }
}

@media screen and (min-width:560px) {
    html {
        font-size: 35px;
    }
}

@media screen and (min-width:600px) {
    html {
        font-size: 37.5px;
    }
}

@media screen and (min-width:640px) {
    html {
        font-size: 40px !important;
    }
}

html {
    font-size: 100vw/16;
}

input::-webkit-input-placeholder {
    color: #BCBCBC;
}
input{
    color: #3F3F3F;
}